Pearl Primero 4" Cowbell PCB-4PEARL's PCB 4 Primero Cowbell offers excellent sound quality, great tone, superb volume, fully precision welded seams, and a sturdy mounting system making these bells a great addition to any percussion set up. For a very affordable cowbell with excellent quality, the Pearl Primero series is just the answer. The PCB 4 delivers a brighter, cutting sound compared to the PCB 6. All Pearl cowbells come with a self adhesive rubber mute if you need to